#3878C0#3878C0

#3878C0 is a mid, vivid cyan. Relative luminance 0.181; OKLCH L 56.6% C 0.130 H 253.3°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#3878C0
RGB	rgb(56, 120, 192)
HSL	hsl(212, 55%, 49%)
HSV	hsv(212, 71%, 75%)
CMYK	cmyk(70.8%, 37.5%, 0%, 24.7%)
CIE-LAB	lab(49.59, 3.66, -43.65)
CIE-LCH	lch(49.59, 43.80, 274.79°)
OKLab	oklab(56.59% -0.0372 -0.1242)
OKLCH	oklch(56.59% 0.13 253.3)
XYZ	xyz(17.8583, 18.0775, 52.4071)
Luminance	0.1808 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3878C0 #C08038

analogous

#38BCC0 #3878C0 #3C38C0

triadic

#3878C0 #C03878 #78C038

tetradic

#3878C0 #C038BC #C08038 #38C03C

square

#3878C0 #C038BC #C08038 #38C03C

split-complementary

#3878C0 #C03C38 #BCC038

monochromatic

#1C3D61 #2A5A91 #3878C0 #6497D2 #93B7DF

Accessibility & contrast

On white

4.55

#3878C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#3878C0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3878C0

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3878C0	#FFFFFF	#000000	##000000
##3878C0	1.00	4.55	4.62	4.62
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#577DC3

Deuteranopia (green-blind)

#4370BF

Tritanopia (blue-blind)

#008993

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3878c0;
/* rgb */ color: rgb(56, 120, 192);
/* oklch */ color: oklch(56.6% 0.130 253.3);

Tailwind

colors: {
  custom: {
    50: '#7f9ed3',
    500: '#3878c0',
    950: '#000000',
  },
}

SCSS

$custom: #3878c0;
$custom-light: #7f9ed3;
$custom-dark: #000000;

JSON

{
  "hex": "#3878c0",
  "rgb": {
    "r": 56,
    "g": 120,
    "b": 192
  },
  "hsl": {
    "h": 211.765,
    "s": 54.839,
    "l": 48.627
  },
  "oklch": {
    "l": 0.56588,
    "c": 0.12968,
    "h": 253.3
  },
  "luminance": 0.18079
}

Semantic roles & 50–950 ramp

primary

#3878C0

secondary

#CBAC89

accent

#984ADE

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3878C0

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →